B15521: Changed equal operator for identical check. This way string needs to...

B15521: Changed equal operator for identical check. This way string needs to be empty and default given to trigger it. It corrects loading behaviour for select, radio and checkboxes.   refs #15521

extension/Classes/Core/Evaluate.php

@@ -411,7 +411,7 @@ class Evaluate {
 
         $value = OnString::escape($escapeTypes, $value, $rcFlagWipe);
 
-        if (($foundInStore == '' || $value == '') && $arrToken[VAR_INDEX_DEFAULT] != '') {
+        if (($foundInStore == '' || $value === '') && $arrToken[VAR_INDEX_DEFAULT] != '') {
             $foundInStore = TOKEN_FOUND_AS_DEFAULT;
             $value = str_replace('\\:', ':', $arrToken[VAR_INDEX_DEFAULT]);
         }

extension/Classes/Core/Store/FillStoreForm.php

@@ -331,7 +331,7 @@ class FillStoreForm {
 
                     // empty select, radio and checkbox elements used to be 0 for correct handling
                     if(($formElement[FE_TYPE] === FE_TYPE_SELECT || $formElement[FE_TYPE] === FE_TYPE_RADIO || $formElement[FE_TYPE] === FE_TYPE_CHECKBOX) && $val == '') {
-                        $newValues[$formElement[FE_NAME]] = '0';
+                        $newValues[$formElement[FE_NAME]] = 0;
                     }
                 }
             }